Jetting I bought loads of jets off eBay some even had a dellorto stamp on them but it was still spluttering so I bought a check size checker I couldn't believe it 155 main jet was bigger than my 160 so now I buy genuine dellorto from here they are a very good price think you get it wrong a top end go's bang (26/01/2016) Paul - Hull

Don’t by cheap eBay jets! I was buying cheap jets of EBay trying to set up my Aprilia RS125. I fitted a Arrow pipe, but kept having set up issues? I called up Luke@pjme for advice, he told me that the cheap jets can vary in size and the Dellorto jets are calibrated, once i had the genuine jets i set the bike up easy. (27/06/2012) Dan West - Shropshire

Jet Gauge Covers Size 45 To 150

This is a Jet Gauge to check the bore size of your jet.

Not all jets are made with the same size hole some may differ slightly, with this tool you can check what size you have.

This Gauge Covers Sizes 45 to 150

Price: £14.99 (£17.99 Including VAT at 20%)

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Jet Gauge Covers Size 150 To 300

This is a Jet Gauge to check the bore size of your jet.

Not all jets are made with the same size hole some may differ slightly, with this tool you can check what size you have.

This Gauge Covers Sizes 150 To 300

Price: £14.99 (£17.99 Including VAT at 20%)

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Athena Performance Air Filter Sheet 10mm Thick

Performance Air Filter Sheets 10mm Thick.

Perfect for cutting your own airbox high performance panel filter!

Supplied as a 300x400mm Sheet 10mm Thick.

Made In Italy by Athena

Price: £4.90 (£5.88 Including VAT at 20%)

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Athena Performance Air Filter Sheet 12mm Thick

Performance Air Filter Sheets 12mm Thick.

Perfect for cutting your own airbox high performance panel filter!

Supplied as a 300x400mm Sheet 12mm Thick.

Made In Italy by Athena

Price: £4.10 (£4.92 Including VAT at 20%)

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Aprilia AF1 125 Racing K&N Air Filter

K&N Air Filter To Fit The Aprilia AF1 125 Racing

Fits All Years And Both 28mm And The 34mm Dellorto Carb.

Price: £61.29 (£73.55 Including VAT at 20%)

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K&N Dry Charger Sock For The Aprilia AF1 125 Racing K&N Filter

The Dry Charger Is Ideal If You Plan On Using Your Bike In Wet Or Damp Conditions, It Helps Protect The Filter From Water Ingress. Easy To Fit And Remove

K&N DryChargers® are manufactured from a durable polyester material and are pre-treated with a proprietary hydrophobic process designed to prevent splashes of water or mud from saturating your K&N air filter. The DryCharger will also stop small dirt particles; yet add little restriction to the airflow of the filter. Please be aware the DryCharger is water repellent, not water proof. Depending on conditions and usage the water repellent treatment is good for 1 to 2 years.

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Price: £17.99 (£21.59 Including VAT at 20%)

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Sorry Out Of Stock

K&N Air Filter Recharger Kit

K&N Air Filter Recharger.

Air Filter Cleaning and Re oil Kit

A four step maintenance system designed to restore airflow and filtration efficiency to your K&N air filter.

Contains 1x 204ml Air filter oil Aerosol

1x 355ml Air filter Cleaner Spray Bottle.

Price: £12.50 (£15.00 Including VAT at 20%)

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Aprilia AF1 125 Racing Pipercross Cone Air Filter

This Is A Pipercorss Cone Performance Filter to fit the Aprilia AF1 125 Racing, it will for both 28mm carburettor and the 34mm carburettor.

This IS Just Like The Malossi / Ramair Filter But Is Longer Cone End To It.

You Will Need To Re-Jet Your Carb When Fitting This Air Filter, We Recommend Going Up 5 Sizes On The Main Jet So If You Have A 120 Main Jet You Will Need A 125

Nice upgrade The bike is breathing even better with this upgrade. Fitted well, strong construction and makes the bike easier to work on. (15/07/2014) Derek - Australia

Great product This airfilter makes the biker a look a bit more racing , the sound is fantastic ! I have notice that the bike is a bit sharper om the throttle now ,cant complain in this airfilter (07/07/2014) Benjamin - Sweden/sundsvall

Related products:

Aprilia RS125 Carb Main Jet Dellorto 6mm

£4.68

£5.62

Genuine Dellorto Main Jet 6mm Thread

This Jet Fits Both 28mm And The 34mm Carburettor As Found Fitted To The Aprilia RS125.

Word of warning, there are cheaper jets out there but the "hole" in the jet that determines the size vary quite a lot! So you may be buying a 125 size but it can be a 130 or worse a 120.

We always recommend using a Jet Gauge to check what size jet you have and what size you need.